2499000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^2\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 192

約数和(自身を含む): 9603360

約数和(自身を除く): 7104360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 25, 28, 30, 34, 35, 40, 42, 49, 50, 51, 56, 60, 68, 70, 75, 84, 85, 98, 100, 102, 105, 119, 120, 125, 136, 140, 147, 150, 168, 170, 175, 196, 200, 204, 210, 238, 245, 250, 255, 280, 294, 300, 340, 350, 357, 375, 392, 408, 420, 425, 476, 490, 500, 510, 525, 588, 595, 600, 680, 700, 714, 735, 750, 833, 840, 850, 875, 952, 980, 1000, 1020, 1050, 1176, 1190, 1225, 1275, 1400, 1428, 1470, 1500, 1666, 1700, 1750, 1785, 1960, 2040, 2100, 2125, 2380, 2450, 2499, 2550, 2625, 2856, 2940, 2975, 3000, 3332, 3400, 3500, 3570, 3675, 4165, 4200, 4250, 4760, 4900, 4998, 5100, 5250, 5880, 5950, 6125, 6375, 6664, 7000, 7140, 7350, 8330, 8500, 8925, 9800, 9996, 10200, 10500, 11900, 12250, 12495, 12750, 14280, 14700, 14875, 16660, 17000, 17850, 18375, 19992, 20825, 21000, 23800, 24500, 24990, 25500, 29400, 29750, 33320, 35700, 36750, 41650, 44625, 49000, 49980, 51000, 59500, 62475, 71400, 73500, 83300, 89250, 99960, 104125, 119000, 124950, 147000, 166600, 178500, 208250, 249900, 312375, 357000, 416500, 499800, 624750, 833000, 1249500, 2499000]

約数ペア:

[(1, 2499000), (2, 1249500), (3, 833000), (4, 624750), (5, 499800), (6, 416500), (7, 357000), (8, 312375), (10, 249900), (12, 208250), (14, 178500), (15, 166600), (17, 147000), (20, 124950), (21, 119000), (24, 104125), (25, 99960), (28, 89250), (30, 83300), (34, 73500), (35, 71400), (40, 62475), (42, 59500), (49, 51000), (50, 49980), (51, 49000), (56, 44625), (60, 41650), (68, 36750), (70, 35700), (75, 33320), (84, 29750), (85, 29400), (98, 25500), (100, 24990), (102, 24500), (105, 23800), (119, 21000), (120, 20825), (125, 19992), (136, 18375), (140, 17850), (147, 17000), (150, 16660), (168, 14875), (170, 14700), (175, 14280), (196, 12750), (200, 12495), (204, 12250), (210, 11900), (238, 10500), (245, 10200), (250, 9996), (255, 9800), (280, 8925), (294, 8500), (300, 8330), (340, 7350), (350, 7140), (357, 7000), (375, 6664), (392, 6375), (408, 6125), (420, 5950), (425, 5880), (476, 5250), (490, 5100), (500, 4998), (510, 4900), (525, 4760), (588, 4250), (595, 4200), (600, 4165), (680, 3675), (700, 3570), (714, 3500), (735, 3400), (750, 3332), (833, 3000), (840, 2975), (850, 2940), (875, 2856), (952, 2625), (980, 2550), (1000, 2499), (1020, 2450), (1050, 2380), (1176, 2125), (1190, 2100), (1225, 2040), (1275, 1960), (1400, 1785), (1428, 1750), (1470, 1700), (1500, 1666)]